The Shaft,shouldered, cataloged under National Stock Number 3040-00-339-2391, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-339-2391 |
| Primary Part Number | 56512 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — No Item Name Available |
| Manufacturer | Parker Hannifin Corporation Div Hydraulic Systems Division |
| Status | ACTIVE |
| Second End Spline Length | 0.718 INCHES NOMINAL IN |
| First End Diameter | 0.8912 INCHES MINIMUM AND 0.8915 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.281 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Material | STEEL CORROSION RESISTING |
| Second End Style | SPLINED (STRAIGHT) |
| Step Quantity | 5 |
| First End Style | PLAIN |
| Material Document and Classification | AMS5643D,COND A,75250 ASSN STD SINGLE MATERIAL RESPONSE |
| Surface Finish | 32.0 MICROINCHES |
| Second End Pressure Angle | 30.0000 DEGREES NOMINAL |
| Second End Diameter | 0.7860 INCHES NOMINAL IN |
| Second End Spline Quantity | 13 |
| Second End Spline Major Diameter | 0.5803 INCHES MINIMUM AND 0.5833 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 0.4786 INCHES MINIMUM AND 0.4877 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 56512 PRIMARY | Parker Hannifin Corporation Div Hydraulic Systems Division (USA) |
NSN 3040-00-339-2391 is a Shaft,shouldered, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 3040 (No Item Name Available). Status: active.
NSN 3040-00-339-2391 has 1 cross-referenced part number: 56512 (Parker Hannifin Corporation Div Hydraulic Systems Division).
There is 1 known substitute for 3040-00-339-2391: 5960-00-908-2416. Verify interchangeability with system specifications before substitution.
Key specifications for 56512: Second End Spline Length: 0.718 INCHES NOMINAL IN; First End Diameter: 0.8912 INCHES MINIMUM AND 0.8915 INCHES MAXIMUM IN; Largest Step Diameter: 1.281 INCHES NOMINAL IN; End Similarity: NOT IDENTICAL. 16 total characteristics are documented in the Federal Logistics Information System.